module quadmux4_1(InA, InB, InC, InD, S, Out);
	input [3:0] InA;
	input [3:0] InB;
	input [3:0] InC;
	input [3:0] InD;
	input [1:0] S;
	output [3:0] Out;

	mux4_1 instance1(InA[0], InB[0], InC[0], InD[0], S, Out[0]);
	mux4_1 instance2(InA[1], InB[1], InC[1], InD[1], S, Out[1]);
	mux4_1 instance3(InA[2], InB[2], InC[2], InD[2], S, Out[2]);
	mux4_1 instance4(InA[3], InB[3], InC[3], InD[3], S, Out[3]);

endmodule
